feat: add RgShows and IframeVideo streaming players

🎬 New Streaming Players Added:
- RgShows player for movies and TV shows via TMDB ID
- IframeVideo player using Kinopoisk ID and IMDB ID
- Unified players manager for multiple streaming providers
- JSON API endpoints for programmatic access

📡 RgShows Player Features:
- Direct movie streaming: /api/v1/players/rgshows/{tmdb_id}
- TV show episodes: /api/v1/players/rgshows/{tmdb_id}/{season}/{episode}
- HTTP API integration with rgshows.com
- 40-second timeout for reliability
- Proper error handling and logging

🎯 IframeVideo Player Features:
- Two-step authentication process (search + token extraction)
- Support for both Kinopoisk and IMDB IDs
- HTML iframe parsing for token extraction
- Multipart form data for video URL requests
- Endpoint: /api/v1/players/iframevideo/{kinopoisk_id}/{imdb_id}

🔧 Technical Implementation:
- Clean Go architecture with pkg/players package
- StreamResult interface for consistent responses
- Proper HTTP headers mimicking browser requests
- Comprehensive error handling and logging
- RESTful API design following existing patterns

🌐 New API Endpoints:
- /api/v1/players/rgshows/{tmdb_id} - RgShows movie player
- /api/v1/players/rgshows/{tmdb_id}/{season}/{episode} - RgShows TV player
- /api/v1/players/iframevideo/{kinopoisk_id}/{imdb_id} - IframeVideo player
- /api/v1/stream/{provider}/{tmdb_id} - JSON API for stream info

✅ Quality Assurance:
- All code passes go vet without issues
- Proper Go formatting applied
- Modular design for easy extension
- No breaking changes to existing functionality

Ready for production deployment! 🚀

pkg/handlers/docs.go

@@ -374,8 +374,76 @@ func getOpenAPISpecWithURL(baseURL string) *OpenAPISpec {
 					},
 				},
 			},
-
+			"/api/v1/webtorrent/player": map[string]interface{}{
-
+				"get": map[string]interface{}{
+					"summary":     "WebTorrent плеер",
+					"description": "Открытие WebTorrent плеера с магнет ссылкой. Плеер работает полностью на стороне клиента.",
+					"tags":        []string{"WebTorrent"},
+					"parameters": []map[string]interface{}{
+						{
+							"name":        "magnet",
+							"in":          "query",
+							"required":    false,
+							"schema":      map[string]string{"type": "string"},
+							"description": "Магнет ссылка торрента",
+						},
+						{
+							"name":        "X-Magnet-Link",
+							"in":          "header",
+							"required":    false,
+							"schema":      map[string]string{"type": "string"},
+							"description": "Магнет ссылка через заголовок (альтернативный способ)",
+						},
+					},
+					"responses": map[string]interface{}{
+						"200": map[string]interface{}{
+							"description": "HTML страница с WebTorrent плеером",
+							"content": map[string]interface{}{
+								"text/html": map[string]interface{}{
+									"schema": map[string]string{"type": "string"},
+								},
+							},
+						},
+						"400": map[string]interface{}{
+							"description": "Отсутствует магнет ссылка",
+						},
+					},
+				},
+			},
+			"/api/v1/webtorrent/metadata": map[string]interface{}{
+				"get": map[string]interface{}{
+					"summary":     "Метаданные медиа",
+					"description": "Получение метаданных фильма или сериала по названию для WebTorrent плеера",
+					"tags":        []string{"WebTorrent"},
+					"parameters": []map[string]interface{}{
+						{
+							"name":        "query",
+							"in":          "query",
+							"required":    true,
+							"schema":      map[string]string{"type": "string"},
+							"description": "Название для поиска (извлеченное из торрента)",
+						},
+					},
+					"responses": map[string]interface{}{
+						"200": map[string]interface{}{
+							"description": "Метаданные найдены",
+							"content": map[string]interface{}{
+								"application/json": map[string]interface{}{
+									"schema": map[string]interface{}{
+										"$ref": "#/components/schemas/WebTorrentMetadata",
+									},
+								},
+							},
+						},
+						"400": map[string]interface{}{
+							"description": "Отсутствует параметр query",
+						},
+						"404": map[string]interface{}{
+							"description": "Метаданные не найдены",
+						},
+					},
+				},
+			},
 			"/api/v1/torrents/search/{imdbId}": map[string]interface{}{
 				"get": map[string]interface{}{
 					"summary":     "Поиск торрентов",